As per https://ietf-wg-acme.github.io/acme/#account-key-roll-over is account key roll-over supported? If not, is this something that is on the roadmap or is it not considered worth implementing?
Edit: I misread this at first and thought you were asking about subject private key re-use. I don’t know the answer to your actual question.
It’s not yet implemented, but it’s definitely an important item that we plan to implement.
Thanks for the info. Is there a table of ACME features that are implemented/supported in Letsencrypt/Boulder? Would be really useful, especially for ACME client authors.
Not at the moment but I agree it would be nice to have!